Safe cut for a shaved head - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 12-28-2004, 09:53 PM
hahnderosa
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Safe cut for a shaved head

A friend needs to pull a Zuk 1.3 head and is considering milling it to get higher compression. I did a search and saw that Sarge has a 0.020 shaved head. I also looked in the service manual, but it does not address milling the head.

Does anyone know the safe amount that a head can be shaved and what the limitation is? (i.e. pinging, valve interference, etc.)

TIA, hahnderosa
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post #2 of (permalink) Old 12-28-2004, 11:15 PM
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Re: Safe cut for a shaved head

Basically, at .020" you are at the wearout limit . Also, anything over that and you will start to affect flow from the valves into the cylinder. Best idea is to only cut what is needed ...
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post #3 of (permalink) Old 12-29-2004, 12:54 PM
hahnderosa
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Re: Safe cut for a shaved head

OK...thanks for the help, Sarge.
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